This is a pack of two "Orange - 0.711 Rate" Traxxas Progressive Rate XX-Long GTR Shock Springs. These are the softest progressive springs available for the XX-Long shock (TRA7462X). Traxxas offers a wide variety of spring rates for the GTR shocks to provide almost limitless tuning possibilities. The springs are made from high-quality spring steel with durable powder-coated finishes, and the spring rate is indicated by colored dots on the end of the spring.